JP5746030B2 - Terminal parts - Google Patents

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JP5746030B2
JP5746030B2 JP2011524218A JP2011524218A JP5746030B2 JP 5746030 B2 JP5746030 B2 JP 5746030B2 JP 2011524218 A JP2011524218 A JP 2011524218A JP 2011524218 A JP2011524218 A JP 2011524218A JP 5746030 B2 JP5746030 B2 JP 5746030B2
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spring
clamp
conductor
clamping
terminal
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JP2012501054A5 (en
JP2012501054A (en
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ケルマン，ハンス−ヨーゼフ
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ヴァーゴ・フェアヴァルトゥングスゲゼルシャフト・エムベーハー
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
    • H01R4/4821—Single-blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484—Spring housing details
    • H01R4/4842—Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4846—Busbar details
    • H01R4/4852—Means for improving the contact with the conductor, e.g. uneven wire-receiving surface

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Clamps And Clips (AREA)

Description

本発明は、絶縁筐体を有し、導電体を終端させるための少なくとも１つのばね端子を有し、ばね端子が、母線部分と、長手伸長方向に延び、母線部分の方向に自由なクランプ端を有し、導電体に対するクランプ点を形成し、母線部分を押しつけるクランプばねとを有し、関連するクランプ点につながる少なくとも１つの導体挿入開口が絶縁筐体の中にあり、１つの作動チャネルが、作動工具を導き、作動工具によって関連するクランプばねを開くために、各導体挿入開口に隣接して配列される、端子部品に関する。   The invention has an insulating housing and has at least one spring terminal for terminating the conductor, the spring terminal extending in the longitudinal extension direction and free clamping end in the direction of the bus bar At least one conductor insertion opening in the insulating housing that leads to the associated clamping point, and has one working channel , To a terminal component arranged adjacent to each conductor insertion opening for guiding the actuating tool and opening the associated clamp spring by the actuating tool.

この種類の端子部品は、例えばレールマウント端子として、またはばね端子を介してフィールド機器に接続されうるフィールドバス装置の入出力モジュールとして、それ自体十分に知られており、特に自動制御工学において使用される。これらのクランプばねを用いて、ばね端子は、導電体に対して長期間の安定性を有する耐振性のある接点を提供する。しかし、クランプ点を開くために、ばねの復元力に抗してクランプばねを作動させることが必要である。   This type of terminal component is well known per se, for example as a rail-mounted terminal or as an input / output module of a fieldbus device that can be connected to a field device via a spring terminal, especially used in automatic control engineering. The Using these clamp springs, the spring terminals provide vibration resistant contacts with long term stability to the conductor. However, in order to open the clamping point, it is necessary to actuate the clamping spring against the restoring force of the spring.

導電体に対するクランプ点に隣接するクランプばねの幅の方向にクランプばねを押し、絶縁筐体内に一体化される作動レバーが、例えばクランプばねを作動させることを目的として、ドイツ特許第２９９１５５１５（Ｕ１）号、欧州特許第０３３５０９３（Ｂ１）号、英国特許第１５９３３２１号、オーストリア特許第３７６５２４（Ｂ）号およびドイツ特許第２８２６９７８（Ｃ２）号に開示される。ここで、作動梃子の作動方向は、導体挿入方向と異なり、それによりばね端子は、比較的大きな設置幅を有する。   German Patent 29915515 (U1), for the purpose of actuating the clamping spring, for example, for actuating the clamping spring by pushing the clamping spring in the direction of the width of the clamping spring adjacent to the clamping point for the conductor. No. 3, EP 0 335 093 (B1), British Patent No. 1593321, Austrian Patent No. 376524 (B) and German Patent No. 2826978 (C2). Here, the operating direction of the operating lever is different from the conductor insertion direction, whereby the spring terminal has a relatively large installation width.

クランプばねを作動させるために、作動チャネルが、導体挿入開口に対してある角度を有して設けられる端子部品が、例えばドイツ特許第２７２４３５４（Ｃ２）号およびドイツ特許第７９１１１８２（Ｕ１）号に開示される。導体挿入開口の主軸および作動チャネルの主軸で画定される平面と、クランプ点の領域内でクランプばねの長手伸長方向と垂直にクランプばねの幅を切る平面とが、互いに角度を成す。この結果、導体挿入開口に関連する作動チャネルは、比較的大きな量の空間を占める。   In order to actuate the clamping spring, a terminal component in which the actuating channel is provided at an angle with respect to the conductor insertion opening is disclosed, for example, in German Patent No. 2724354 (C2) and German Patent No. 7911182 (U1). Is done. A plane defined by the main axis of the conductor insertion opening and the main axis of the working channel forms an angle with the plane which cuts the width of the clamp spring perpendicular to the longitudinal extension direction of the clamp spring in the region of the clamp point. As a result, the working channel associated with the conductor insertion opening occupies a relatively large amount of space.

ドイツ特許第１９５０４０９２（Ｂ４）号は、導体挿入開口が、作動チャネルに平行な、張力ばねのたわみの方向に配列される、導電体に対するばね端子を開示する。導体挿入開口が、張力ばねの自由端におけるクランプ部と合流する一方で、作動チャネルが、圧力ピンを用いてそこから張力ばねを開くために、１つのばね弧に接続する張力ばねの対向する作動部と整列される。   German Patent 19504092 (B4) discloses a spring terminal for a conductor in which the conductor insertion openings are arranged in the direction of the tension spring deflection, parallel to the actuation channel. Opposing actuation of the tension spring connected to one spring arc for the actuation channel to open the tension spring therefrom with a pressure pin, while the conductor insertion opening meets the clamp at the free end of the tension spring Aligned with the part.

この種類のものと逆の作動が、同様に、Ｕ字形に曲げられたクランプばねに対して、ドイツ特許第２９９１５５１２（Ｕ１）号に開示される。   The reverse operation of this kind is likewise disclosed in German Patent No. 29915512 (U1) for a clamp spring bent into a U-shape.

この点から始めると、本発明の目的は、作動チャネル内に挿入される作動工具によって簡単で信頼性のあるばね端子の作動を可能にする、できるだけ小さい設置空間を占める改良された端子部品を創出することにある。   Starting from this point, the object of the present invention is to create an improved terminal part that occupies as little installation space as possible, enabling the operation of a spring terminal with a simple and reliable way by means of an operating tool inserted into the operating channel. There is to do.

この目的は、導入部で言及された種類の端子部品によって達成され、そこにおいて、クランプ点および作動部が、クランプばねの幅の上で互いに隣接して存在し、導体挿入開口の主軸および作動チャネルの主軸で画定される平面と、クランプ点の領域内でクランプばねの長手伸長方向と垂直なクランプばねの幅を切る平面とが、互いにほぼ平行になるように、作動チャネルが、導電体に対するクランプ点に隣接するクランプばねの作動部に、長手伸長方向と垂直に合流する。   This object is achieved by a terminal part of the kind mentioned in the introduction, in which the clamping point and the actuating part lie adjacent to each other over the width of the clamp spring, the main axis of the conductor insertion opening and the actuating channel The actuating channel is clamped against the conductor so that the plane defined by the main axis and the plane that cuts the width of the clamp spring perpendicular to the longitudinal direction of the clamp spring in the region of the clamp point are substantially parallel to each other. It merges with the operating part of the clamp spring adjacent to the point perpendicular to the longitudinal extension direction.

作動チャネルと導体挿入開口とを互いに隣接して配列した結果、それにより、ばね端子を通る断面で見たときに、作動チャネルと導体挿入開口とがほぼ一直線にあり、作動チャネルに対して最小の空間が必要となる。同時に、作動チャネルと導体挿入開口とが同じ空間を占め、原理上、同じ開口が使用されることが考えられる。しかし、導体挿入開口および作動チャネルはまた、少なくとも部分的には、狭い壁で互いから分離されてよい。   As a result of arranging the working channel and the conductor insertion opening adjacent to each other, the working channel and the conductor insertion opening are thus substantially aligned when viewed in cross-section through the spring terminal and are minimal with respect to the working channel. Space is required. At the same time, it is conceivable that the working channel and the conductor insertion opening occupy the same space, and in principle the same opening is used. However, the conductor insertion opening and the working channel may also be separated from each other at least in part by a narrow wall.

通常の場合のようにクランプ点の上または下ではなく、クランプばねの幅の中で見たときに導電体に隣接する作動チャネルを介して作動工具を用いるクランプばねの作動では、クランプばねが、ねじ回しの、従来の場合のように広いくさび形の表面を用いるのではなく、狭い側縁部を用いて開かれることがもたらされる。このことが、作動が大幅に信頼性を増し、作動工具を曲げる危険性が低減されることにつながる。   In actuation of a clamp spring using an actuation tool through an actuation channel adjacent to a conductor when viewed in the width of the clamp spring, rather than above or below the clamp point as is normal, the clamp spring is: Rather than using a wide wedge-shaped surface of the screwdriver as in the conventional case, this results in opening with narrow side edges. This greatly increases the reliability of operation and reduces the risk of bending the operating tool.

ねじ回しの狭い側縁部によるそのような作動では、同様に、クランプばねの幅の方向にあってクランプばねの自由端の長手伸長方向と垂直な作動チャネルの断面が、クランプばねの幅に垂直な作動チャネルの断面より狭くなることが可能になる。このことが、設置寸法をさらに低減する。   In such actuation with a narrow side edge of the screwdriver, the section of the actuation channel in the direction of the width of the clamp spring and perpendicular to the longitudinal extension of the free end of the clamp spring is also perpendicular to the width of the clamp spring. It is possible to be narrower than the cross section of the active channel. This further reduces the installation dimensions.

少なくとも１つのクランプばねが、導体挿入開口の主軸にほぼ平行に延び、絶縁筐体に当接する接触脚から始まるばね弧によって曲げられる場合に、特に有利である。次いで、クランプ脚が、ばね弧に接続する母線の方向に延びる。ケージ張力ばねとは対照的に、そのような、Ｕ字形に曲げられた基本的に簡単なクランプばねが、絶縁筐体の中および必要ならば母線に接触してもしくは母線の中に、接触脚または反対側のクランプ脚によって固定される。同時に、接触脚の自由端が、例えば母線の中の開口内に挿入されてよい。   It is particularly advantageous if the at least one clamp spring is bent by a spring arc that extends substantially parallel to the main axis of the conductor insertion opening and starts from a contact leg that abuts the insulating housing. The clamp legs then extend in the direction of the busbar connecting to the spring arc. In contrast to cage tension springs, such a simple clamp spring, bent in a U-shape, is a contact leg in the insulating housing and in contact with or in the busbar if necessary. Or it is fixed by the clamp leg on the opposite side. At the same time, the free end of the contact leg may be inserted into an opening in the busbar, for example.

少なくとも１つのクランプばねのクランプ脚が、作動チャネルの合流領域において、接触脚の方向に後方に曲げられてよく、一方で、クランプばねの幅の方向において、導電体に対する、クランプばねの隣接するクランプ部が、接触脚から離れて延びる。   The clamp leg of the at least one clamp spring may be bent backwards in the direction of the contact leg in the confluence region of the working channel, while the adjacent clamp of the clamp spring relative to the conductor in the direction of the width of the clamp spring The portion extends away from the contact leg.

それゆえ、クランプ点の領域内でクランプばねの幅にわたって見ると、クランプばねは、２つに分割され、導電体を終端処理するために最適化されたクランプ部と、作動チャネルを介する作動工具による作動のために最適化された作動部とを有する。ばねのたわみは、作動部の領域内で接触脚を後方に曲げることによって制限されてよい。それゆえ、接触脚の後方に曲げられた部分は、過負荷保護を形成し、接触脚の後方に曲げられた部分は、クランプばねの作動状態において、接触脚または絶縁筐体に当たる。加えて、クランプ脚を後方に曲げることでは、作動工具の案内が改良され、それにより、作動工具が詰まる危険性がクランプばねによって低減される。   Therefore, when viewed across the width of the clamp spring in the region of the clamp point, the clamp spring is divided into two, by means of a clamp part optimized for terminating the conductor and an actuating tool via the actuating channel And an actuating part optimized for operation. The deflection of the spring may be limited by bending the contact leg backward in the region of the actuating part. Therefore, the part bent rearward of the contact leg forms an overload protection, and the part bent rearward of the contact leg hits the contact leg or the insulating housing in the operating state of the clamp spring. In addition, bending the clamp legs backwards improves the guidance of the working tool, thereby reducing the risk of clogging of the working tool by the clamp spring.

同じような方法で、導電体によってクランプばねを過度にたわませる試みがなされたときに、自由なクランプ端が過負荷停止部にぶつかるように、クランプ点を形成するクランプばねの自由なクランプ端と組み合わされる過負荷停止部が、絶縁筐体または母線部に設けられる。   In a similar manner, the free clamp end of the clamp spring that forms a clamp point so that the free clamp end hits the overload stop when an attempt is made to overbend the clamp spring by the conductor. The overload stop part combined with is provided in the insulated housing or the busbar part.

端子部品は、能動部品かまたは受動部品であってよい。それゆえ、２つ以上のばね端子が、ばね端子内で終端処理される導体を電気的に接続するために、１つの共通の母線によって互いに容易に接続されうる。   The terminal component may be an active component or a passive component. Thus, two or more spring terminals can be easily connected to each other by one common bus to electrically connect the conductors terminated in the spring terminals.

しかし、導電的に接続された電気および／または電子（能動および／または受動）部品が、少なくとも１つのばね端子を用いて絶縁筐体内に配列されることも考えられる。そのような端子部品の可能な例が、フィールド機器を終端処理するための入出力モジュールであり、データバスおよび／または電源を確定するための接続接点が、２つ以上の端子部品が互いにじかに隣接し、互いに接してトップハットレール上にクリップ留めされるとき、絶縁筐体の側面上に配列される。同時に、絶縁筐体が、端子部品をトップハットレール上にクリップ留めするためのラッチフックを有する場合に有利である。   However, it is also conceivable that electrically and / or electronic (active and / or passive) components that are electrically connected are arranged in an insulating housing using at least one spring terminal. A possible example of such a terminal component is an input / output module for terminating a field device, where two or more terminal components are directly adjacent to each other with a connection point for establishing a data bus and / or power supply. And when they are clipped onto the top hat rail in contact with each other, they are arranged on the sides of the insulating housing. At the same time, it is advantageous if the insulating housing has a latch hook for clipping the terminal part onto the top hat rail.

本発明は、例示的実施形態を参照し、添付の図面を使用して、以下により詳細に説明される。   The invention will be described in more detail below with reference to exemplary embodiments and using the accompanying drawings.

ａ）は、非作動状態における端子部品の部分断面図であり、ｂ）は、ねじ回しで作動されたときの端子部品の部分断面図であり、ｃ）は、導電体を挿入した後の端子部品の部分断面図であり、ｄ）は、最終のクランプされた状態における端子部品の部分断面図である。a) is a partial cross-sectional view of the terminal component in a non-actuated state, b) is a partial cross-sectional view of the terminal component when operated by a screwdriver, and c) is a terminal after inserting a conductor. FIG. 4 is a partial cross-sectional view of the component, and d) is a partial cross-sectional view of the terminal component in a final clamped state. 作動部の領域内で接触脚の方向に後方に曲げられたクランプ脚を有する部分断面内の端子部品を示す断面図である。It is sectional drawing which shows the terminal component in the partial cross section which has the clamp leg bent back in the direction of the contact leg within the area | region of the action | operation part. 図２の端子部品を通る長手方向の断面を示す図である。It is a figure which shows the cross section of the longitudinal direction which passes along the terminal component of FIG. クランプ点の領域における図１〜図３の端子部品の平面図である。It is a top view of the terminal component of FIGS. 1-3 in the area | region of a clamp point. クランプ点の領域における従来の端子部品の平面図である。It is a top view of the conventional terminal component in the area | region of a clamp point.

作動順序を有する、端子部品１の部分断面を、図１ａ）〜図１ｄ）に見ることができる。
図１ａ）は、非作動状態における端子部品１の部分断面を示す。母線部分５と基本的にＵ字形に曲げられたクランプばね６とから本来知られているやり方で形成されるばね端子４に通じる導体挿入開口３が、絶縁筐体２の中に作られることが分かる。クランプばね６は、絶縁筐体２および／または母線部分５に固定された接触部７と、接触部７に接続されたばね弧８と、ばね弧８に接続されたクランプ脚９とを有し、そのクランプ脚の自由端１０は、張力がかからない（弛緩した）状態において母線部分５の突起部１１に当接し、この領域で導電体に対するクランプ点を形成する。 A partial cross-section of the terminal part 1 with an operating sequence can be seen in FIGS. 1a) to 1d).
FIG. 1a) shows a partial cross section of the terminal part 1 in a non-actuated state. A conductor insertion opening 3 leading to the spring terminal 4 formed in a manner known per se from the busbar part 5 and the clamp spring 6 bent essentially in a U-shape can be made in the insulating housing 2. I understand. The clamp spring 6 has a contact portion 7 fixed to the insulating housing 2 and / or the bus bar portion 5, a spring arc 8 connected to the contact portion 7, and a clamp leg 9 connected to the spring arc 8. The free end 10 of the clamp leg abuts against the protrusion 11 of the bus bar portion 5 in a state where no tension is applied (relaxed), and forms a clamp point for the conductor in this region.

クランプばね６の幅において、すなわちクランプ脚９の長手伸長方向Ｌに垂直で、かつクランプばね６のばね方向Ｆに垂直な視野の方向における断面において、クランプ脚９は２つに分割されており、クランプ点を形成し且つ母線部分に当接する自由端１０のクランプ部が、母線部分５の方向に延び、一方で、クランプばね６の幅において隣接する作動部１２が、接触脚７の方向にわずかに後方に曲げられていることが、同様に明らかである。反りは、クランプ点を形成する自由端１０の長手伸長方向から約１５度〜４５度の角度にわたって生じていることが分かる。同時に、作動部１２の自由端は、クランプばね６の弛緩状態において接触脚７の方向を指してはならないが、それでもなお、自由端１０と比べて接触脚の方向に後方に曲げられている。   In the width of the clamp spring 6, that is, in the cross section in the direction of the field of view perpendicular to the longitudinal extension direction L of the clamp leg 9 and perpendicular to the spring direction F of the clamp spring 6, the clamp leg 9 is divided into two parts, The clamping part of the free end 10 forming the clamping point and abutting against the bus bar part extends in the direction of the bus bar part 5, while the adjacent actuating part 12 in the width of the clamp spring 6 is slightly in the direction of the contact leg 7. It is equally clear that it is bent backwards. It can be seen that the warpage occurs over an angle of about 15 to 45 degrees from the longitudinal extension direction of the free end 10 forming the clamp point. At the same time, the free end of the actuating part 12 should not point in the direction of the contact leg 7 in the relaxed state of the clamp spring 6 but is still bent backwards in the direction of the contact leg compared to the free end 10.

同じような方法で、導電体によってクランプばね６を過度にたわませる試みがなされたときに、自由なクランプ端１０が過負荷停止部Ｕにぶつかるようなやり方で、クランプ点を形成するクランプばね６の自由なクランプ端１０と組み合わされる過負荷停止部Ｕが、絶縁筐体２または母線部分５の区画に設けられる。このようにして、同様に、例えば導体の端部を許容できないほど曲げた結果としての、または導体断面が大きすぎる結果としての導電体による過負荷に対して、保護が達成される。   In a similar manner, the clamp spring forms a clamping point in such a way that the free clamping end 10 hits the overload stop U when an attempt is made to overbend the clamping spring 6 by means of a conductor. An overload stop U combined with 6 free clamping ends 10 is provided in the compartment of the insulating housing 2 or busbar part 5. In this way, protection is likewise achieved against overloading by the conductor, for example as a result of bending the end of the conductor unacceptably or as a result of the conductor cross-section being too large.

導体挿入開口３に隣接して配列され、図示される断面に関して同じ線上に延びる作動チャネル１４内に挿入されるねじ回し１３によって作動させられたときの端子部品１の状態が、図１ｂ）から分かる。作動チャネル１４は、ねじ回し１３の自由端が作動部１２に達して、ねじ回し１３の狭い側縁部でクランプ脚９を接触脚７の方向に後方に押すことができるのに十分なだけ先まで延びる。そうすることで、作動部１２の反対側のねじ回し１３の狭い側縁部が、絶縁筐体２に当接する。   The state of the terminal component 1 when actuated by a screwdriver 13 inserted in the actuating channel 14 arranged adjacent to the conductor insertion opening 3 and extending on the same line with respect to the illustrated cross section can be seen from FIG. . The actuating channel 14 is far enough forward so that the free end of the screwdriver 13 reaches the actuating part 12 and the clamp leg 9 can be pushed backwards in the direction of the contact leg 7 at the narrow side edge of the screwdriver 13. Extend to. By doing so, the narrow side edge portion of the screwdriver 13 on the opposite side of the operating portion 12 comes into contact with the insulating housing 2.

作動部１２の領域でクランプ脚９を後方に曲げることによって、クランプばね６が十分に延ばされたときに、作動部１２の自由端が、ねじ回し１３の狭い側縁部にほぼ平行に当接し、作動チャネル１４の領域において絶縁筐体２の反対側の壁にほぼ平行に延びることが、同様に分かる。結果として、ねじ回し１３が詰まる危険性が、クランプばね６によって低減されうる。   By bending the clamp leg 9 backwards in the region of the actuating part 12, when the clamp spring 6 is fully extended, the free end of the actuating part 12 is applied almost parallel to the narrow side edge of the screwdriver 13. It can likewise be seen that, in the region of the working channel 14, it extends substantially parallel to the opposite wall of the insulating housing 2. As a result, the risk of clogging the screwdriver 13 can be reduced by the clamp spring 6.

クランプ点を形成するクランプ脚９の自由端１０が、ねじ回し１３を通り過ぎてその後方に案内され、例えばねじ回し１３の自由端の下方に少し突き出ることが、同様に明らかである。従って、作動工具としてのねじ回し１３は、作動部１２の領域ではクランプばね６の幅にわたって作用し、一方で、クランプ点を有する、隣接するクランプ部は、終端処理されるべき導電体に対して自由のままである。   It is likewise clear that the free end 10 of the clamping leg 9 forming the clamping point is guided behind the screwdriver 13 and protrudes slightly, for example, below the free end of the screwdriver 13. Thus, the screwdriver 13 as an actuating tool acts in the region of the actuating part 12 over the width of the clamp spring 6, while the adjacent clamping part with the clamping point is against the conductor to be terminated. It remains free.

端子部品１の作動状態が図１ｃ）に見られ、そこにおいて、クランプばね６が、図１ｂ）のようにねじ回し１３で開かれ、端部で絶縁をはがされている自由な導体端部を有する導電体１５が、今や、導体挿入開口３の中に挿入されている。ばね力に抗して接触脚７の方向にクランプ脚９を後方に曲げることによって、クランプ点を形成するクランプ脚９の自由端１０が、導電体１５が絶縁筐体２およびばね端子４の中に問題なく挿入されうる程度に、導体挿入領域の外に反らせられる。   The operating state of the terminal component 1 can be seen in FIG. 1c), where the clamping spring 6 is opened with a screwdriver 13 as in FIG. 1b) and the free conductor end is stripped off at the end. Is now inserted into the conductor insertion opening 3. By bending the clamp leg 9 backward in the direction of the contact leg 7 against the spring force, the free end 10 of the clamp leg 9 forming a clamp point is connected to the conductor 15 in the insulating housing 2 and the spring terminal 4. To the extent that it can be inserted without any problem.

最終のクランプ状態が図１ｄ）から見られ、そこにおいて、ねじ回し１３が、今や作動チャネル１４から引き抜かれ、作動部１２を自由な状態のままにする。結果として、クランプばね６が、そのクランプ脚９によって母線部分５の方向に跳ね戻されてよく、それにより、クランプ点を形成する自由端１０が、導電体１５のはがされた自由端に当接し、この導電体１５を母線５、とりわけ母線５の突起部１１に押しつけることは、明らかである。母線５の突起部１１は、できるだけ小さな接触面積を有する画定された接触点を確保し、それにより、利用できるばね力が、このできるだけ小さな接触面積の上に集中されてよく、そのことは、それ自体知られている。   The final clamping state can be seen from FIG. 1d), where the screwdriver 13 is now withdrawn from the working channel 14 and leaves the working part 12 free. As a result, the clamp spring 6 may be bounced back by its clamp leg 9 in the direction of the bus bar part 5, so that the free end 10 forming the clamp point hits the peeled free end of the conductor 15. It is obvious that the conductor 15 is pressed against the bus bar 5, particularly the projection 11 of the bus bar 5. The protrusion 11 of the bus bar 5 ensures a defined contact point with the smallest possible contact area, so that the available spring force can be concentrated on this smallest possible contact area, which means that Known per se.

横方向に見た場合に導体挿入方向に平行に延びる作動チャネル１４、および作動部をクランプばね６の幅方向に設けることの結果として、端子部品１は、非常に省スペースの設計の可能性を提供する。加えて、とりわけ、作動チャネル１４と導体挿入開口３とに対して同じ開口が使用されてよい。しかし、絶縁筐体２と一体に作成された絶縁材料の（薄い）壁が、作動チャネル１４と導体挿入開口３との間に設けられることも考えられる。   As a result of providing the working channel 14 extending parallel to the conductor insertion direction and the working part in the width direction of the clamp spring 6 when viewed in the lateral direction, the terminal part 1 has the possibility of a very space-saving design. provide. In addition, inter alia, the same opening may be used for the working channel 14 and the conductor insertion opening 3. However, it is also conceivable that a (thin) wall of insulating material made integrally with the insulating housing 2 is provided between the working channel 14 and the conductor insertion opening 3.

クランプばね６のたわみは、クランプ脚９を作動部１２の領域において側方に角度付けすることによって制限されうる。このことは、図２からより良く理解することができ、図２は、休止位置において応力がかからないクランプ脚９と、作動位置において接触脚７の方向に後方に曲げられたクランプ脚９とを有する、部分断面における端子部品１の断面図を示す。左半分に示される作動位置から、ねじ回し１３が作動チャネル１４の中に挿入されたときに、接触脚７の方向に曲げられた作動部１２が、クランプ脚９のその自由端で接触脚７に当接することは明らかである。このことが、クランプばね６のさらなるたわみおよび過負荷を防止する。   The deflection of the clamp spring 6 can be limited by angling the clamp leg 9 laterally in the region of the actuating part 12. This can be better understood from FIG. 2, which comprises a clamp leg 9 that is not stressed in the rest position and a clamp leg 9 bent backwards in the direction of the contact leg 7 in the actuated position. The sectional view of terminal component 1 in a partial section is shown. From the operating position shown in the left half, when the screwdriver 13 is inserted into the operating channel 14, the actuating part 12 bent in the direction of the contact leg 7 is at its free end of the clamp leg 9 with the contact leg 7. It is clear that it abuts. This prevents further deflection and overload of the clamp spring 6.

クランプばね６を母線部分５に固定するために、クランプばね６の接触脚７が、その自由端で、母線部分５の開口の中に突き出ることも、同様に見られる。母線部分５自体が、その底で導電体１５に対する停止面を提供し、かつその上向きに曲げられた自由端でクランプ点を提供するために、ほぼＵ字形に曲げられることも、同様に見られる。   It is likewise seen that the contact leg 7 of the clamp spring 6 projects into the opening of the busbar part 5 at its free end in order to fix the clamp spring 6 to the busbar part 5. It can also be seen that the busbar part 5 itself is bent in a generally U-shape to provide a stop surface for the conductor 15 at its bottom and to provide a clamping point at its upwardly bent free end. .

図２の端子部品１を通る長手方向の断面が、図３の部分断面に見られる。ここで、図示の実施形態では、導体挿入開口３が、絶縁筐体２の絶縁材料の中間壁１６によって作動チャネル１４から空間的に分離されることは明らかである。断面において、すなわち、クランプばね６の幅の方向に見ると、作動チャネル１４が、導体挿入開口３に沿って延びており、一方で、長手方向の断面（図３）における作動チャネル１４の主軸は、導体挿入開口３の主軸に対して、わずかな角度（５〜２５度）だけ傾けられることも見られる。作動チャネル１４は、長手方向の断面において、上の開口から下のばね端子４に掛けて円錐状に先細になり、それゆえ、従来のねじ回し１３の円錐状に先細になる輪郭とほぼ一致することも明らかである。   A longitudinal section through the terminal part 1 of FIG. 2 can be seen in the partial section of FIG. Here, it is clear that in the illustrated embodiment, the conductor insertion opening 3 is spatially separated from the working channel 14 by the intermediate wall 16 of insulating material of the insulating housing 2. When viewed in cross-section, i.e. in the direction of the width of the clamp spring 6, the working channel 14 extends along the conductor insertion opening 3, while the main axis of the working channel 14 in the longitudinal section (Fig. 3) is It is also seen that the conductor insertion opening 3 is tilted by a slight angle (5 to 25 degrees) with respect to the main axis of the conductor insertion opening 3. The working channel 14 tapers in a longitudinal section from the upper opening to the lower spring terminal 4 in a conical taper and therefore substantially coincides with the conical tapering profile of the conventional screwdriver 13. It is also clear.

図４は、クランプ点の領域における、図１〜図３の端子部品１の平面図を示す。長さと幅が等しいほぼ正方形の広がりの配置が、縁部に沿って挿入されるねじ回しでばね端子を作動させることに起因し、その結果として作動チャネル１４が、クランプばね６の幅方向で導体挿入開口３に隣接して配置できることに起因することは、明らかである。その一方で、幅と長さとが等しくない広がりの必要性が、図５に示される従来の端子部品１の事例を、結果としてもたらす。クランプばね６と、作動チャネル１４と、導体挿入開口３とがバランス良く配置される結果、本発明による端子部品１では、ばね端子を一様な格子の中に配置することが可能になる。図５に示される従来のバージョンと比べて、クランプばね６の幅がより大きい結果として、ばね鋼の薄板の厚さを低減することができ、その結果として、ばね弧の半径もまた、ばね力に悪影響を与えることなく低減されうる。このことが、設置寸法の低減につながる。   FIG. 4 shows a plan view of the terminal component 1 of FIGS. 1 to 3 in the area of the clamping point. A substantially square spread arrangement of equal length and width results from actuating the spring terminal with a screwdriver inserted along the edge so that the actuating channel 14 is a conductor in the width direction of the clamp spring 6. Obviously, it can be arranged adjacent to the insertion opening 3. On the other hand, the need for unequal width and length results in the case of the conventional terminal component 1 shown in FIG. As a result of the balanced arrangement of the clamp spring 6, the working channel 14 and the conductor insertion opening 3, in the terminal component 1 according to the invention, it is possible to arrange the spring terminals in a uniform grid. As a result of the larger width of the clamp spring 6 compared to the conventional version shown in FIG. 5, the thickness of the spring steel sheet can be reduced, so that the radius of the spring arc is also reduced by the spring force. It can be reduced without adversely affecting. This leads to a reduction in installation dimensions.

端子部品１は、例えば２つ以上のクランプ点が母線５によって互いに接続される、レールマウント端子であってよい。この種類のレールマウント端子は、それ自体十分に知られている。それらはまた、このように、絶縁端子および測定端子、ヒューズ端子、センサ端子およびアクチュエータ端子、ダイオード端子、ＬＥＤ端子など、いわゆる機能端子を形成するために、リレー、ヒューズなど、電気部品および／または電子部品を取り付けられてよい。しかし、端子部品が、ばね端子によってフィールドバス機器に接続される、例えばフィールドバスカプラおよびそれらに接続される入出力モジュールなど、自動制御工学用モジュールであることも、考えられる。同時に、端子部品がトップハットレールの上に隣接し、互いに接して配置されるときに、データバスおよび／または電源を確定するための２つの接続接点が、絶縁筐体の側壁から突き出る場合に有利である（ドイツ特許第４４０２００２（Ｂ４）号参照）。   The terminal component 1 may be a rail mount terminal in which, for example, two or more clamp points are connected to each other by a bus 5. This type of rail mount terminal is well known per se. They also thus form electrical terminals and / or electronics, such as relays, fuses, etc., in order to form so-called functional terminals such as insulation terminals and measurement terminals, fuse terminals, sensor terminals and actuator terminals, diode terminals, LED terminals, etc. Parts may be attached. However, it is also conceivable that the terminal components are modules for automatic control engineering, such as fieldbus couplers and input / output modules connected to them, connected to fieldbus equipment by spring terminals. At the same time, it is advantageous if the two connection contacts for defining the data bus and / or power supply protrude from the side wall of the insulating housing when the terminal parts are arranged on the top hat rail and adjacent to each other (See German Patent No. 4402002 (B4)).

Claims (4)

絶縁筐体（２）を有し、導電体（１５）を終端させる少なくとも１つのばね端子（４）を有する端子部品（１）であって、前記ばね端子（４）が、母線部分（５）と、前記母線部分（５）の方向に自由なクランプ端（１０）を有し、前記導電体（１５）に対するクランプ点を形成し、前記母線部分（５）を押圧するように長手伸長方向（Ｌ）に延びるクランプばね（６）とを有し、関連するクランプ点につながる少なくとも１つの導体挿入開口（３）が前記絶縁筐体（２）の中にあり、作動工具（１３）を導入し、前記作動工具（１３）によって前記関連するクランプばね（６）を開くために、１つの作動チャネル（１４）が、各導体挿入開口（３）に隣接して配列される端子部品（１）であって、
前記作動チャネル（１４）が、前記長手伸長方向（Ｌ）に対して垂直な方向で前記導電体（１５）に対する前記クランプ点に隣接する、前記クランプばね（６）の作動部（１２）に向けて開口し、前記クランプ点および前記作動部（１２）は前記クランプばね（６）の幅において互いに隣接して存在し、前記導体挿入開口（３）の主軸と前記クランプばね（６）の幅方向とによって画定される第１の平面が、前記クランプ点が配置される領域内で前記クランプばね（６）を横切り、前記作動チャネル（１４）の主軸と前記クランプばね（６）の幅方向とによって画定される第２の平面が、前記クランプ点が配置される領域内で前記クランプばね（６）を横切り、前記第１の平面と前記第２の平面とが、互いにほぼ平行になっており、
前記絶縁筐体（２）は、前記導体挿入開口（３）を前記作動チャネル（１４）から空間的に分離する中間壁（１６）を備えており、
前記長手伸長方向（Ｌ）に垂直な、前記作動チャネル（１４）の断面における、前記クランプばね（６）の前記幅の方向の寸法が、前記クランプばね（６）の前記幅に垂直な方向の寸法より短く、
少なくとも１つの前記クランプばね（６）が、前記導体挿入開口（３）の前記主軸にほぼ平行に延びる接触脚（７）から始まるばね弧（８）によって曲げられ、前記ばね弧（８）に接続するクランプ脚（９）が、前記母線部分（５）の方向に延びており、
前記クランプ脚（９）が、前記作動チャネル（１４）が前記作動部（１２）に向けて開口する領域において、前記接触脚（７）の方向に後方に曲げられ、一方で、前記クランプばね（６）の前記幅の方向において、前記導電体（１５）に対する、前記クランプばね（６）の前記自由なクランプ端（１０）の隣接するクランプ部が、前記接触脚（７）から離れる方向に延びることを特徴とする、端子部品（１）。 A terminal component (1) having an insulating housing (2) and having at least one spring terminal (4) for terminating a conductor (15), wherein the spring terminal (4) is a busbar part (5) And having a free clamping end (10) in the direction of the bus bar portion (5), forming a clamping point for the conductor (15), and pressing in the longitudinal direction so as to press the bus bar portion (5) ( L) and a clamp spring (6) extending to L), at least one conductor insertion opening (3) leading to the associated clamping point is in said insulating housing (2) and introducing an operating tool (13) In order to open the associated clamping spring (6) by the actuating tool (13), one actuating channel (14) is at the terminal part (1) arranged adjacent to each conductor insertion opening (3). There,
Toward the actuating part (12) of the clamp spring (6), the actuating channel (14) being adjacent to the clamping point for the conductor (15) in a direction perpendicular to the longitudinal extension direction (L) The clamp point and the actuating part (12) are adjacent to each other in the width of the clamp spring (6), and the main shaft of the conductor insertion opening (3) and the width direction of the clamp spring (6) the Ru is defined by a first plane, Ri transected prior Symbol clamp spring (6) in the region where the clamping points are arranged, the width of the main spindle and the clamping spring of the actuating channel (14) (6) a second plane that will be defined by the direction, the Ri transected prior Symbol clamp spring (6) in the area where the clamping points are arranged, with said first plane and said second plane, substantially mutually Are parallel,
The insulating housing (2) comprises an intermediate wall (16) that spatially separates the conductor insertion opening (3) from the working channel (14);
The dimension of the width direction of the clamp spring (6) in the cross section of the working channel (14) perpendicular to the longitudinal extension direction (L) is in the direction perpendicular to the width of the clamp spring (6). shorter than the dimension rather than,
At least one of the clamp springs (6) is bent by a spring arc (8) starting from a contact leg (7) extending substantially parallel to the main axis of the conductor insertion opening (3) and connected to the spring arc (8) A clamping leg (9) extending in the direction of the generatrix part (5),
The clamp leg (9) is bent backwards in the direction of the contact leg (7) in the region where the actuation channel (14) opens towards the actuation part (12), while the clamp spring ( 6) in the direction of the width, the adjacent clamp part of the free clamp end (10) of the clamp spring (6) relative to the conductor (15) extends away from the contact leg (7). Terminal component (1), characterized in that. 前記少なくとも１つのクランプばね（６）の前記接触脚（７）が、前記母線部分（５）に固定されることを特徴とする、請求項１に記載の端子部品（１）。 Wherein the at least one clamping spring the contact legs (6) (7), characterized in that said fixed to the bus portion (5), the terminal component according to claim 1 (1). 前記絶縁筐体（２）または前記母線部分（５）に過負荷停止部（Ｕ）を有し、前記過負荷停止部（Ｕ）は、前記クランプ点を形成する前記クランプばね（６）の前記自由なクランプ端（１０）に組み合わされて、導電体による前記クランプばね（６）の過度なたわみが、前記自由なクランプ端（１０）の前記過負荷停止部（Ｕ）への当接によって防止されるようになされる、請求項１または２に記載の端子部品（１）。 The insulating housing (2) or the busbar part (5) has an overload stop (U), and the overload stop (U) is the clamp spring (6) that forms the clamp point. Combined with the free clamp end (10), excessive bending of the clamp spring (6) by the conductor is prevented by abutment of the free clamp end (10) on the overload stop (U). Terminal component (1) according to claim 1 or 2 , wherein the terminal component (1) is adapted to be made. 電気的に接続された電気部品および／または電子部品が、前記絶縁筐体（２）の中に少なくとも１つのばね端子（４）と共に配置されることを特徴とする、請求項１または２に記載の端子部品（１）。 Electrical and / or electronic components are electrically connected, characterized in that it is arranged together with at least one spring pin (4) in said insulating housing (2), according to claim 1 or 2 Terminal parts (1).
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